A metal worker wants to heat commercial bronze (a copper alloy) by using an air cannon pointed downward. If she wants to increase the temperature of the bronze by 1.5 o F and the cannon is 20 feet above the ground, what would be exit velocity from the cannon need to be (in ft/s)? Neglect air resistance. [V = 78.9 ft/s]
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A metal worker wants to heat commercial bronze (a copper alloy) by using an air cannon pointed downw...
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